A triangle has sides A, B, and C. The angle between sides A and B is #(pi)/2#. If side C has a length of #4 # and the angle between sides B and C is #pi/12#, what is the length of side A?
1 Answer
Feb 23, 2018
Explanation:
We have a triangle that looks like this:
Here, side B is the base leg, side C is the hypotenuse and side A is the vertical leg.
We can say the angle opposite to side A is
According to the law of sines:
Since Side B doesn't matter here, we can say:
We need to solve for
Since